Important Computer Questions Part 20 | MCQs for Govt & Competitive Exams
Question 571: The smallest unit of computer data is
(a) Byte
(b) Bit
(c) Record
(d) File
(e) None of these
Answer: (b) Bit
Question 572: The unit of measurement of a word length is
(a) Meter
(b) Byte
(c) Bit
(d) Millimeter
Answer: (c) Bit
Question 573: The length of a word in a computer is measured by
(a) bits
(b) byte
(c) millimeter
(d) meter
Answer: (a) bits
Question 574: In binary language, each letter of alphabet, each number and each special character is made up of a unique combination of ______.
(a) 8 bytes
(b) 8 kilobytes
(c) 8 characters
(d) 8 bits
(e) 8 megabytes
Answer: (d) 8 bits
Question 575: Data is stored in computer memory.
(a) bytes
(b) program
(c) registers
(d) bits
Answer: (d) bits
Question 576: A 32 bit word computer can access _____ bytes at a time.
(a) 4
(b) 8
(c) 16
(d) 32
(e) 30
Answer: (a) 4
Question 577: For a memory of size 64K words with each word storing 8 bits, the size of memory data register (MDR) is:
(a) 8 bits
(b) 16 bits
(c) 32 bits
(d) 64 bits
Answer: (a) 8 bits
Question 578: Bit is an abbreviation for
(a) Binary system
(b) Digital byte
(c) Binary digit
(d) Binary unit
Answer: (c) Binary digit
Question 579: In computers, BIT is a portmanteau of _____.
(a) Binary term
(b) Binary digit
(c) Binary data
(d) Binary transfer
Answer: (b) Binary digit
Question 580: Computer memory is measured by
(a) by bits
(b) by ohms
(c) by ampere
(d) by volts
Answer: (a) by bits
Question 581: Which circuit is used to store one bit of data?
(a) Register
(b) Flip Flop
(c) Vector
(d) Encoder
Answer: (b) Flip Flop
Question 582: The means of specifically expressing the position of data in memory is
(a) Accumulator
(b) Address
(c) L.D.A
(d) RAM
Answer: (b) Address
Question 583: If the ASCII code of U is 01010101, then what is the ASCII code for V?
(a) 01010100
(b) 01010110
(c) 01000110
(d) 01010111
Answer: (b) 01010110
Question 584: If the ASCII code of E is 01000101, then what will be the ASCII code of F?
(a) 01010110
(b) 01000110
(c) 01000111
(d) 11000110
Answer: (b) 01000110
Question 585: ASCII-8 is an 8 bit cod and can uniquely represent maximum characters
(a) 256
(b) 127
(c) 255
(d) 128
Answer: (a) 256
Question 586: Full form of ASCII is
(a) American Scientific code for Interchange of Information
(b) American Scientific code for Information Interchange
(c) American Standard code for Information Interchange
(d) Altruistic Scientific Code for Information Interchange
Answer: (c) American Standard code for Information Interchange
Question 587: ASCII is the system that provides
(a) 256 different characters
(b) 512 different characters
(c) 1024 different characters
(d) 128 different characters
(e) 1000 different characters
Answer: (d) 128 different characters
Question 588: Which of the following codes needs 7 bits to represent a character?
(a) ASCII
(b) BCD
(c) EBCDIC
(d) GRAY
Answer: (a) ASCII
Question 589: Every character on every computer keyboard has ASCII, the full form of which is
(a) American Stock Code for Information Interchange
(b) American Standard Code for Information Interchange
(c) African Standard Code for Information Interchange
(d) Adaptable Standard Code for Information Interchange
Answer: (b) American Standard Code for Information Interchange
Question 590: Full form of ASCII is
(a) American Scientific code for Interchange of Information
(b) American Standard Code for Interchange Information
(c) American Standard Code for Information Interchange
(d) Altruistic Scientific Code for Information Interchange
Answer: (c) American Standard Code for Information Interchange
Question 591: ASCII is the system that provides ______.
(a) 256 different characters
(b) 512 different characters
(c) 1024 different characters
(d) 128 different characters
(e) 1000 different characters
Answer: (d) 128 different characters
Question 592: Which of the following codes need 7 bits to represent a character?
(a) ASCII
(b) BCD
(c) EBCDIC
(d) GRAY
Answer: (a) ASCII
Question 593: Every character on every computer keyboard has ASCII, the full form of which is
(a) American Stock Code for Information Interchange
(b) American Standard Code for Information Interchange
(c) African Standard Code for Information Interchange
(d) Adaptable Standard Code for Information Interchange
Answer: (b) American Standard Code for Information Interchange
Question 594: Full form of ASCII is
(a) American Scientific code for Interchange of Information
(b) American Standard Code for Information Interchange
(c) American Standard Code for Interchange Information
(d) Altruistic Scientific Code for Information Interchange
Answer: (b) American Standard Code for Information Interchange
Question 595: ASCII stands of _______
(a) American Scientific code for Interchange of Information
(b) American Standard Code for Information Interchange
(c) American Standard Code for Immediate Information
(d) Altruistic Scientific Code for Information Interchange
Answer: (b) American Standard Code for Information Interchange
Question 596: ASCII coding allocated binary codes to English alphabets and symbols for computer use. Which allocates code to almost all the languages of the world and also to symbols covering more than a lakh characters. The new standard is called
(a) CCS
(b) Unicode
(c) Standard CCS code
(d) Universal CCS code
Answer: (b) Unicode
Question 597: Full form of ASCII is
(a) American Scientific code for Interchange of Information
(b) American Standard Code for Information Interchange
(c) American Standard Code for Immediate Information
(d) Altruistic Scientific Code for Information Interchange
Answer: (b) American Standard Code for Information Interchange
Question 598: ASCII 7 is a 7 bit code and can define maximum specific classes of _______ digits.
(a) 128
(b) 256
(c) 127
(d) 64
Answer: (a) 128
Question 599: What does ASCII mean in relation to data representation?
(a) American Scientific code for Interchange of Information
(b) American Standard Code for Information Interchange
(c) Australian Standard Code for Information Interchange
(d) Altruistic Scientific Code for Information Interchange
Answer: (b) American Standard Code for Information Interchange
Question 600: If ASCII code for K is 01001011, then what is the ASCII code for L?
(a) 01001100
(b) 11001011
(c) 01111011
(d) 01001000
Answer: (a) 01001100
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